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Finding the Fourth Proportional to 29,948.60, 44,916.60 and 15,143.60

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Solution

The fourth proportional to 29,948.60, 44,916.60 and 15,143.60 is: 22,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,948.60 : 44,916.60 = 15,143.60 : x
  2. Step 2: Convert to fraction form
    29,948.60/44,916.60 = 15,143.60/x
  3. Step 3: Cross multiply
    29,948.60x = 44,916.60 × 15,143.60
  4. Step 4: Simplify right side
    29,948.60x = 680,199,023.76
  5. Step 5: Solve for x
    x = 680,199,023.76/29,948.60
  6. Step 6: Final answer
    x = 22,712.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.